* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

*::after {
  box-sizing: border-box;
}

*::before {
  box-sizing: border-box;
}

* {
  transition: all 0.3s;
}

body {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

.code-wrapper {
  flex: 1;
  height: 50%;
  padding: 10px;
}

.preview-wrapper {
  flex: 1;
  height: 50%;
}

#code {
  overflow: hidden;
  height: 100%;
}

.actions {
  position: absolute;
  right: 0;
  top: 0;
  display: flex;
  flex-direction: column;
}

.actions>button {
  margin: 10px;
  background: #ddd;
  padding: 8px 10px;
  border: none;
}

.actions>button.active {
  box-shadow: 1px 1px 1px rgba(0, 0, 0, 0.8);
}

.actions>button:focus {
  outline: none;
}

.wrapper {
  width: 100%;
  height: 165px;
  position: relative;
}

.preview {
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}